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3 years ago

Which image (A’ B’ C’ D’) of ABCD cannot he produced using only reflections ?

Mathematics

1 answer:

Verdich [7]3 years ago

3 0

Is there a picture??

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Create a linear function that has a solution at (-2,6)

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(x,y) so you start at the orgin and go down two because it's negative. then you go right six and plot your point.

negative number - down or left

positive number - up or right

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4 years ago

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If a=under root s(s-a)(s-b)(s-c) then the value of a, when a =3 b =4c = 5 and s =a+b+c by 2

kramer

Answer:

Step-by-step explanation:

Here it's given that ,

$\sf\red{\longrightarrow} A=\sqrt{s(s-a)(s-b)(s-c)}$

Also ,

$\sf\red{\longrightarrow} s =\dfrac{a+b+c}{2}$

And we need to find out the value of A , when

a = 3
b = 4
c = 5

So , on substituting the respective values to find s we have ,

$\sf\red{\longrightarrow} s =\dfrac{3+4+5}{2}=\dfrac{12}{2}=\bf{6}$

Now let's find out A as ,

$\sf\red{\longrightarrow} A = \sqrt{6(6-3)(6-4)(6-5)} \\$

$\sf\red{\longrightarrow}A =\sqrt{6 * 3 * 2 * 1}\\$

$\sf\red{\longrightarrow} A = \sqrt{3^2 * 2^2 *1^2}\\$

$\sf\red{\longrightarrow}A = 3*2\\$

$\sf\red{\longrightarrow}\boxed{\qquad \blue{\bf A = 6 \qquad}}$

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2 years ago

Mrs. drennan keeps a bag of small prizes to distribute to her students. She likes to keep at least three times as many prizes in

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26x3=78
78-x=72
x=6
She needs to buy at least 6 more to have enough for 26 students

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How many kilometers in the world?

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40,000 kilometers in the world

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Which sign makes this statement true

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Answer:

The = sign

Step-by-step explanation:

1 11/20 = 31/20 = 1.55 and 1.55 =1.55

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